Brochure UGent MMS
description
Transcript of Brochure UGent MMS
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Ghent University (UGent) - Faculty of Engineering and ArchitectureDepartment of Materials Science and EngineeringResearch group “Mechanics of Materials and Structures”
http://www.composites.ugent.be/
Composites research@ Ghent University
Reinforcing your composites activities !
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Contents
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Aerospace composites
Composites for wave energy
Composites for wind energy
Blast proof composites
Crash performant composites
Composite joints
Composites for bicycles
Next generation composites
Numerical simulation and design
Mechanical characterization
Inspection and monitoring
Outdoor field testing
Composite processing
Dynamic testing
Advanced finite element modelling
Who are we ?
What are our competences ?
Our research areas
Our industrial services
Facts & Figures
Contact details
Partnerships 23
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Who are we ?
Evolution of internal PhD students, external PhD students and postdocs in research group UGent-MMC (2002-2009)
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2002 2003 2004 2005 2006 2007 2008 2009
Year
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Postdoc
External PhD
Internal PhD
• Impact (bird strike, drop tests, crushing, blast loading, wave impact,...)
• Fatigue (tension, compression, bending, shear, biaxial,…)
• NDT/NDE (optical fibre sensors, ultrasound, moiré,...)
• General mechanics of fibre-reinforced composites
Key research areas for composites:
Mission statement:
“To study the mechanical behaviour of composite materials by a combined approach of instrumented experimental testing and adequate numerical modelling, in close
collaboration with the composites industry and its suppliers”
The research group “Mechanics of Materials and Structures” at Ghent University is doing research for more than 25 years on the mechanics of composite materials. The composites group is lead by Prof. Joris DEGRIECK and Prof. Wim VAN PAEPEGEM, and counts almost 20 doctoral students.
Very strong growth of the research group over the last years
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our industrial services
What are our competences ?
The section “Our research areas” gives a thematic overview of our current research activities in the field of composite materials:
The next pages of this brochure are split into two sections:
The section “Our industrial services” lists the generic services that we offer to the industry, research institutes and other interested parties:
Aerospace composites
Composites for wave energy
Composites for wind energy
Blast proof composites
Crash performant composites
Composite joints
Composites for bicycles
Next generation composites
Numerical simulation and design
Mechanical characterization
Inspection and monitoring
Outdoor field testing
Composite processing
Dynamic testing
Advanced finite element modelling
Our research areas
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our research areas
Aerospace composites
Composites for wave energy
Composites for wind energy
Blast proof composites
Crash performant composites
Composite joints
Composites for bicycles
Next generation composites
Our research activities are focused on the mechanics of composite materials for a wide range of loading conditions and industrial applications. Below are the thematic research areas that are currently covered by our research group.
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our research areas > Aerospace composites
Bird strike testing
Drop weight impact testing
Ultrasound inspection
Simulation of static and dynamic behaviour
Embedded strain sensing
(in collaboration with TenCate, FOS&S and KULeuven)
Finite element model of satin weave compositeUGent bird strike set-up Bird impact of gelatine replica
Embedded optical fibre sensors in thermoplastic composite
Fatigue testing of thermoplastic composite
Microscopic inspection of fatigue damage in textile composite
Maximum strain
Minimum strain
Average strain
Maximum strain
Minimum strain
Average strain
Fatigue testing in tension, compression, bending and shear
Microscopic inspection of (fatigue) damage mechanisms
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our research areas > Composites for wind energy
Design of composite blades
Simulation of local stress and strain in the composite blades
Material selection and process requirements
(in collaboration with Turby, SET (UGent) and Powerlink (UGent))
High speed digital image recording of transient vibrations
Simulation of effects of imbalance on the deformation of the mast
Field testing in the Greenbridge science park in Oostende
Unbalance= α kgm
F(t)Force due to wind impact
Scale model of “The Energy Box” at the World Expo 2010 in Shanghai (China) (Prof. Steven Van Dessel)
Blade design for vertical axis wind turbine
Simulation of effects of blade imbalance on the stability of the turbine tower
Finite element simulation of composite blade Definition of composite lay-up and visualization of stacking sequence of turbine blade
First and second eigenmode of vertical axis wind turbine
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our research areas > Composites for wave energy
Material selection for offshore use
Simulation of wave loading on composite structures
Small-scale testing of wave impact on rigid and deformable objects
(in collaboration with SEEWEC and Flansea partners)
High speed digital image recording of wave impact events
Reliable pressure measurements during wave loading
Simulation of movement of floatable composite buoys in a given sea state
Filament winding simulation of composite buoy
Survivability design of composite buoys for storm conditions
Simulation of breaking wave slamming
UGent lab-scale slamming set-up for wave impact Large-scale slamming tests at the canal in Ghent
Large-scale testing of wave impact on composite structures
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our research areas > Composites for bicycles
Simulation of local stress and strain in bicycle frames
Damping and vibration characterization of bicycle materials
Damping and vibration testing of bicycle frames
(in collaboration with Museeuw Bikes and Merckx)
Simulation of the kinematics of bicycle racing frames
Outdoor field testing with measurement of forces, accelerations, crank positions and strains
Test set-up for bracket and torsion stiffness
Test set-up for fatigue testing of bicycle frames
Kinematic model of racing bicyle with applied road accelerations
UGent all-in-one test set-up for fatigue testing of racing bicycles
Finite element simulation of the free body vibration modes of a racing bicycle frame
UGent test for bracket stiffness UGent test for torsion stiffness Instrumented racing bicycle for field testing of comfort and vibration levels
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our research areas > Crash performant composites
Static crushing tests on composite tubes
Measurement of dynamic contact force, decelerations and energy absorption
Simulation of crushing behaviour of composites
(in collaboration with Royal Military Academy (B) and Free University of Brussels (B))
High-speed imaging of drop weight impact of circular pultruded composite tubes
Corresponding simulation of the final deformation patternsFinal deformation pattern of different types of crushed composite tubes
Large-scale drop tester
Energy absorbing tubes
Selection of materials, geometry, triggering mechanism and fibre orientations
High speed digital image recording of crushing events
Dynamic crushing and energy absorption of composite tubes
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our research areas > Blast proof composites
Small-scale air blast tests
Large-scale air blast tests in shock tube
Simulation of detonation and propagation of explosive
Simulation of interaction of blast waves with composite
(in collaboration with Royal Military Academy (B) and Free University of Brussels (B))
Small-scale free air blast set-up at the Royal Military Academy
Crushing behaviour of pultruded composite tubes under free air blast loading
Large-scale blast tests with shock tube at the military domain in Brasschaat
Experimental and simulated deformation patterns of composite tubes under air blast loadingSimulation of detonation and propagation of shock wave in free air
Measurement of dynamic contact force, decelerations and energy absorption
Selection of materials, geometry, triggering mechanism and fibre orientations
High speed digital image recording of crushing events
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our research areas > Composite joints
Simulation of fracture behaviour of adhesive joints
Design of adhesive joints
Fusion bonding of thermoplastic composites
(in collaboration with Flanders Drive and Free University of Brussels)
Mechanical testing of adhesive joints (single lap shear, double lap shear, peel tests,…)
Analytical models for prediction of critical shear and peel stresses
Simulation of mode I fracture test of adhesive joint
Fusion bonded laminateUGent infrared welding set-up Fusion bonding of thermoplastic composites
Double Cantilever Beam (DCB) test for Mode I fracture toughness Online microscopy of fracture toughness testing
Single lap shear testing of fusion bonded joint
Measurement of fracture toughness in mode I, mode II,…
Online microscopy for in-situ evaluation of fracture behaviour
Ultrasound inspection of adhesive joints
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our research areas > Next generation composites
Self-healing polymers and composites
Self-sensing composites with embedded strain sensing and miniaturized wireless data-acquisition
3D woven thermoplastic composites for mass production of lightweight recyclable composites
(In collaboration with research partners of SIM, FP7 SMARTFIBER and FP7 3DLightTrans)
Nano-engineered steel fibre composites with increased toughness
Structural natural fibre composites
Simulation of three-dimensional yarn in fibrous preform
Three-dimensional woven fabric (TU Dresden) Three-dimensional woven glass fibre preform (TU Dresden)
Micro-tomography image of steel fibre filaments
Future turbine blade with embedded smart sensing
Micro-tomographic image of embedded optical fibre sensor in composite
Structural flax fibre/epoxy composite
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our industrial services
Numerical simulation and design
Mechanical characterization
Inspection and monitoring
Outdoor field testing
Composite processing
Dynamic testing
Advanced finite element modelling
Over the years, our research group has developed a substantial expertise in characterization, testing, modelling and monitoring of composites and other materials. This expertise is available as a service to the industry, research institutes and other interested parties. The industrial services that we offer, are grouped in the following categories:
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Department of Materials Science and Engineering
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Electromechanical Instron machine
Two servo-hydraulic machines
Strain gauges (selection, bonding and read-out)
Digital Image Correlation (DIC) for full-field strain measurement
Extensometer measurement
Temperature chamber
Mechanical characterization of composites (elastic properties, tensile and compressive strength, bending strength, short beam shear strength, fracture toughness,...
Electromechanical testing machine
Servo-hydraulic testing machine
Bias tension testing of glass fibre/epoxy composites with bonded strain gauges
Testing of pre-stressed section of sailing mast
Digital Image Correlation (DIC) for full-field strain measurement on cruciform specimens
Our industrial services > Mechanical characterization
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our industrial services > Dynamic testing
Two servo-hydraulic machines for fatigue testing
Two drop weight set-ups for dynamic impact testing
Bird strike set-up
Shaker for vibration testing
Digital high speed camera (up to 250 000 frames per second)
Transient recorder oscilloscope (up to 100 MHz sampling frequency)
Dynamic load cells, accelerometers, pressure sensors,...
High speed data-acquisition of strain gauges
Digital Image Correlation (DIC) for full-field strain measurement
Set-up for slamming wave impact
Pendulum impact test rig
Drop weight test (height 3 m)
Drop weight test (height 12 m)
Pendulum impact test rig Impact testing of foams for bicycle helmets
Rail shear fixture for fatigue testing in pure shear
Drop weight testing of bumper component
Vibration testing of carbon/epoxy coupons
Slamming wave impact of a composite cylinder
Dedicated accessoiries for fatigue testing
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our industrial services > Inspection and monitoring
Embedded or surface mounted optical fibre sensors for in-situ strain measurement
Ultrasound inspection for characterization of local damage
Micro-tomography for nondestructive 3D visualization of microstructure of materials
Scanning Electron Microscopy (SEM) – Transmission Electron Microscopy (TEM)
Post-mortem microscopic inspection (embedding, polishing and digital inspection)
Online microscopy during testing
Pressure vessel with optical fibres
Ultrasound scanning set-up with five degrees of freedom
Ultrasound C-scan of delamination in impacted composite laminate
Microscopic inspection of damage in composites
SEM image of textile composite Micro-tomography measurement of plain weave glass/epoxy composite
(in collaboration with Metallurgy research group (UGent) and X-ray lab (UGent))
Testing of carbon/epoxy C-profile with embedded optical fibres
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our industrial services > Outdoor field testing
Portable ultrasound phased array
Digital high speed camera
Stand-alone data-acquisition of strain gauges, accelerometers, force sensors, pressure sensors,...
Experience with outdoor field testing at sea, river banks and other locations without electrical grid connection
Portable oscilloscope for high speed data acquisition
Portable transient recorder oscilloscope (up to 100 MHz sample frequency)
Digital high-speed camera (up to 250 000 frames per second)
Portable ultrasound scanning equipment (with 64-probe phased array)
Strain measurement on sailing yacht
Strain gauge measurement on sailing mast rigging Proof-of-concept testing of a new type of wave energy converter at sea
Expertise in battery-powered road measurements on bicycles and other vehicles,...
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Our industrial services > Composite processing
Adhesive joints
Fusion bonding with infrared welding
Determination of fibre volume fraction (matrix digestion, pyrolysis) and porosity content
Resin transfer moulding
Autoclave process with monitoring of curing cycle
Resin infusion
Filament winding
Autoclave for thermoset prepregs Filament winding of pressure vessels Vacuum-assisted resin transfer moulding for thermoset composites
Filament wound vessels Autoclaved carbon/epoxy laminate (1 mm thick)
Fabric reinforcements for resin infusion and resin transfer moulding
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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definition of CAD geometry (SolidWorks, Catia)
Access to High Performance Computing (HPC) cluster for calculation of very large finite element models (2000+ 64-bit cores, 3.2 Terabyte RAM)
static and dynamic finite element simulation (Abaqus, LS-Dyna)
definition of ply stackings and draped layers (Catia/CPD, Simulayt)
optimization of topology and/or material parameters (iSight, evolutionary strategies)
kinematics and multibody dynamics of complex composite structures (UM, Mathcad)
Our industrial services > Numerical simulation and design
Meso-scale unit cell model of a 5-harness satin weave carbon/PPS composite
Simulation of strain concentrations in a biaxially loaded composite cruciform specimen
Three-dimensional model of friction and wear of large-scale composite bearings
Topology optimization of cruciform geometry for biaxial testing of composite laminates Simulation of stresses in the adhesive layer of a single lap shear joint
The complete modelling chain for simulation of the mechanics of composite structures is covered:
Simulation of mechanics of composites under wide variety of loadings (drop weight impact, crushing, blast loading, wave impact, fatigue, contact/wear, vibration and resonance, centrifugal and inertia forces,...)
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Our industrial services > Advanced finite element modelling
Simulated bird impact on aircraft wing Calculated interaction of ultrasound beam with composite plate under different incident angles
Effect of progressive wear on the radial stress distribution in composite bearings Simulation of oblique soccer ball bounce
Modelling of friction and wear in composite bearings under dry sliding conditions (Mixed Lagrangian-Eulerian methods and material erosion modelling)
Simulation of bird impact on composite and metal structures (Smoothed Particle Hydrodynamics (SPH) method)
Prediction of arbitrary crack growth in plastics and composites with the eXtended Finite Element Method (XFEM / Partition of Unity method)
Application of cohesive zone elements for simulation of delaminations, adhesive layers, fibre/matrix debonding,...
Modelling interaction of (ultra)sound with composites and other layered materials
Development of hybrid solid-shell elements for accurate simulation of interlaminar stresses in layered composites
Generation of finite element meshes for complicated composite geometries (wind turbine blades, three-dimensional woven structures,...) with orthotropic material orientations
Simulation of dynamics/vibrations of pressurized layered shells (soccer ball, rubber tyre,...)
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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Facts & Figures
15 successfully defended PhD theses over the last five years (2006-2010)
ESCM Award 2008 for Wim Van Paepegem as “Best Young European researcher in composites”, awarded by the “European Society for Composite Materials (ESCM)” during the 13th European Conference on Composite Materials (ECCM-13, Stockholm, Sweden, 2-5 June 2008)
JEC Paris Innovation award 2009 “Environment and energy”, awarded at the largest European exhibition on composites “JEC Composites” (http://www.jeccomposites.com/)
Over the last five years (2006-2010), 10 to 15 master thesis students every year
81 Science Citation Index publications over the last five years (2006-2010)
33 research projects with external funding over the last five years (2006-2010)
9 “Best paper/poster awards” over the last few years
Collaborations with many Flemish and international companies
One of the best represented research groups at the largest European Conference on Composite Materials (ECCM)
Below are some facts and figures that illustrate the achievements of our research group over the last five years:
Successful acquisition of advanced research equipment (digital high speed camera, high-speed transient recorder oscilloscope, electromagnetic shaker, portable ultrasound equipment, read-out unit for optical fibre sensors,...)
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Partnerships
Member of the “Materials Research Cluster Gent” which groups more than 200 scientists in a consortium of Ghent University and several research institutes and companies (Arcelor Mittal, BIL, Sirris, CRM, Clusta, SIM, Flamac, OCAS)http://www.mrcluster.be/
Member of five valorisation consortia of Ghent University – Industrial Research Fund (IOF): - Plateau (Photonics Innovation Center)- DuraBUILDmaterials (Innovative technologies for durable building materials)- Victoris (Valorisation centre for technological optimization, research & innovation in sport)- ChemTech (Polymer and organic chemistry: from innovation to valorisation)- SET (Sustainable Energy Technologies)http://www.techtransfer.ugent.be/ > IOF kenniscentra
Our research group is embedded in a strong network of local, regional and international partnerships:
Member of the FWO scientific research network “Optical Measurements Techiques for Structures and Systems (OPTIMESS)”http://optimess.vub.ac.be/
Member of the Ghent Ostend Wind Research Institute (GOWind!)http://www.set.ugent.be/Activities/en_GOwind.html
Board member of the Society for the Advancement of Material and Process Engineering (SAMPE)http://www.sampe-benelux.org/
Member of the Steering Committee of SIM (Strategic Initiative Materials in Flanders)http://www.sim-flanders.be/
Member of the council and executive committee of the European Society for Composite Materials (ESCM)http://www.escm.eu.org/
Member of the Permanent Committee of EURASEM – European Society for Experimental Mechanicshttp://www.eurasem.org/
President of BNCM – The Belgian National Committee for Theoretical and Applied Mechanicshttp://www.rasab.be/ > National Scientific Committees
Ghent University – Faculty of Engineering and Architecture
Department of Materials Science and Engineering
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http://www.composites.ugent.be/
Contact details
http://www.composites.ugent.be/
Prof. Joris Degrieck ([email protected])Prof. Wim Van Paepegem ([email protected])
Ghent UniversityDepartment of Materials Science and EngineeringResearch group “Mechanics of Materials and Structures”Technologiepark-Zwijnaarde 9039052 ZwijnaardeBelgiumTel.: +32-(0)9 331 04 32Fax: +32-(0)9 264 58 33